Air conditioner



FIG. 1 is a front view of my invention;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top-right perspective view thereof; and,

FIG. 8 is a bottom-left perspective view thereof.

The broken lines in the drawings illustrate portions of the air conditioner that form no part of the claimed design. 

CLAIM The ornamental design for an air conditioner, as shown and described. 